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Thread: Help with a 5.7 4x2 cherokee with cam! please

  1. #1
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    Cool Help with a 5.7 4x2 cherokee with cam! please

    Hey guys,i cant do this alone.....tried a lot times.....


    I have a Cherokee 2006 5.7hemi and cam and a wide throttle body.....


    I get lambda on the wideband 1.10 to 1.60 on idle and light run..... lot poor!

    At WOT i was getting 0.90 poor to....



    So i get the VeBank 01 and VeBrank 02 and the PE tabbles X 1.15 or 15%




    The problem is.... my idle and open loop, stills on 1.10 and 1.60 ( tried X 1.30 ) still the same......

    But at WOT NOW I GET 0.80......


    Any owesome people to help a brazillian farmer that do all at is on, cause im on the middle of nowere!


    thx regarss...





    So how i fix that ?

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
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    for any help

    post the file you are working on

    and a datalog of the issue
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  3. #3
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    Quote Originally Posted by SultanHassanMasTuning View Post
    for any help

    post the file you are working on

    and a datalog of the issue
    hey ok...



    Is a cherokee 5.7, im living on brazil so the all the fuel here is

    Composition: 73% gasoline A and 27% anhydrous ethanol *.
    We have easy here 100% ethanol, but i dont know if the injectors can handle this....

    My hemi has :

    COMP Cams 112-501-11 XFI



    And a 90 mm throttle body

    The air filter is oem, dont have the Ken inbox filter but i will....

    See the video the wide band is on lambda factor, very poor at idle....

    The log files was a little slow to get info....
    Attached Files Attached Files

  4. #4
    Senior Tuner SultanHassanMasTuning's Avatar
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    raise your idle speed for sure factory 625 not good

    you need to know the injectors installed as well
    Follow @MASTUNING visit www.mastuned.com
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